package com.museum.security;

import cn.hutool.json.JSONUtil;
import com.museum.common.lang.Result;
import com.museum.utils.JwtUtil;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.logout.LogoutSuccessHandler;
import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

/**
 * @author Akihi
 * @create 2022/11/14
 */
@RequiredArgsConstructor
public class JwtLogoutSuccessHandler implements LogoutSuccessHandler {

    private final JwtUtil jwtUtil;
    @Override
    public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response,
                                Authentication authentication)
            throws IOException, ServletException {
        if (authentication != null) {
            new SecurityContextLogoutHandler().logout(request, response, authentication);
        }
        response.setContentType("application/json;charset=UTF-8");
        response.setHeader(jwtUtil.getHeader(), "");
        ServletOutputStream out = response.getOutputStream();
        Result result = Result.success("退出成功");
        out.write(JSONUtil.toJsonStr(result).getBytes(StandardCharsets.UTF_8));
        out.flush();
        out.close();
    }
}
